.lunbo{
    padding: 10px ;
    background-color: white;
    display: flex;
    position: fixed;
    bottom: 0;
    /* width: 100%; */
}
.lunbo>.cate{
    width: 20%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.lunbo>.cate>img{
    width: 40%;

}